This Week’s Wildfire Update: A Dangerous Combination of Lightning, Drought, and Climate Change
This week in Danger Season, wildfires have ravaged the western United States and southwestern Canada, prompting the National Interagency Fire Center to raise its preparedness level to 4. As the demands of the fire season grow, new research is shedding light on the alarming connections between climate change and extreme wildfire weather.
Tinder Meets Spark: Lightning Ignites Fires Amid Drought and Extreme Heat
On Tuesday, thousands of lightning strikes set off over 20 wildfires in abnormally dry areas of California. Strong winds fueled the rapid spread of fires, forcing evacuations in counties like Tuolumne, Calaveras, and Stanislaus. The largest blaze, the TCU September Lightning Complex, has damaged historic buildings in Chinese Camp and is only 15% contained.
Meanwhile, record temperatures in California, Oregon, Washington, and British Columbia have exacerbated wildfire risks. With some areas experiencing temperatures 15-20 degrees Fahrenheit above average, communities are grappling with both smoke impacts and extreme heat.
Climate Change Connection to Wildfires
New research from World Weather Attribution reveals that climate change has increased the likelihood of wildfires in Spain and Portugal. The study shows that August’s extreme weather, which fueled the wildfires, is now 40 times more likely due to climate change.
While forest management can help reduce wildfire risks, it is not a standalone solution. Interventions like fuel treatments and prescribed burning require long-term investments in land and wildfire management. These efforts must focus on ecosystem health, water filtration, livelihoods, cultural heritage, and carbon sequestration to enhance community resilience.
The National Interagency Fire Center’s updated seasonal outlook predicts continued elevated fire activity along the west coast through the fall. Climate change is reshaping daily life for many Americans, with longer wildfire seasons and heightened risks becoming the new norm.

About the Author
Carly Phillips is a Research Scientist with the Science Hub for Climate Litigation at the Union of Concerned Scientists.